#!/usr/bin/env node

const http = require('http'),
      fs   = require('fs'),
      qs   = require('querystring');

let items  = [];

function genPage(){

  let html = fs.readFileSync('./template.html').toString('utf8');
  let dom  = items.map(i=>'<li>'+i+'</li>').join('\n'); 
  html = html.replace('*',dom);
  return html;
}


http.createServer((req,res)=>{
  if(req.url !== '/'){
    res.statusCode = 404;
    res.setHeader('Content-Type','text/html');
    res.end('<h1>Not Found</h1>');
    return;
  }
  let data = '';
  req.on('data',chunk=>data += chunk);
  req.on('end',()=>{
    let item = qs.parse(data).item;
    if(item !== '' && typeof item !== 'undefined') items.push(item);

  
    res.writeHead(200,{
      'Content-Type':'text/html',
      'Content-Length':Buffer.byteLength(genPage())
    
    });

    res.end(genPage());
  });

}).listen(8080);

